Boys' name · since 1912
Masaru
447 babies named Masaru in U.S. Social Security records since 1912, with the highest year being 1917. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 447
- total births
- 1912–1992
- years on record
- 1920s
- peak decade
- 55%
- born in that decade
447 boys have been named Masaru since 1912, though it isn't currently a top-ranked name.
Masaru has 447 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 1992.
- 447 total births
- 1912–1992 years on record
- 1920s peak decade
- 55% born in that decade
Data updated Jul 2026
Masaru's 447 recorded births place it above 81% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Hawaii.
Masaru's usage pattern, beyond the headline number
Splitting Masaru's full recorded timeline at 1925, 39% of its total births fall in the more recent half of the record versus 61% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1935, with just 5 recorded births -- worth weighing against the 1917 peak of 31 to see the full range of the name's swing in popularity.
Masaru popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–1992
- Peak year (1917)
- 31
- Annual births at peak, across 81 years of records
Masaru by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Masaru's strongest decade.
245 babies received the name during that ten-year window, about 55% of all-time use.
Masaru births by decade
Total births in each ten-year window
- 1910s
1910s
139 births
- 1920s
1920s
245 births
- 1930s 48
1930s
48 births
- 1940s 10
1940s
10 births
- 1990s 5
1990s
5 births
What this shows Peak: 1920s at 245 births (55% of all-time use).
Masaru by state
Where Masaru concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 230 | 51.5% |
| #2 | California | | 139 | 31.1% |
230 of 447 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Masaru's data
- Masaru's decade-level peak was the 1920s (245 total births); usage has since declined to 5 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Masarus (230 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Masaru
Nearby Names Like Masaru
Names with a similar sound, spelling, or feel to Masaru
Compare Masaru side by side: Masaru vs Mason Masaru vs Massimo Masaru vs Masen
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1912–1992 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac. "Masaru: Baby Name Since 1912 - 447 Births, Peak 1917." NameAlmanac. Accessed via https://namealmanac.com/name/masaru. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Masaru draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.